START YOUR DAY WITH A CHALLENGE: Give your mind a workout with a lively mix of word puzzles, number problems, logic quandaries, and other cranial conundrums. GENIUS GIFT: This calendar is perfect for anyone looking to build their brain and stretch their neurons - a gift from Mensa says "you're smart." Great for family, friends, educators, or any intellectual in your life! NOW PLASTIC-FREE!: Page-A-Day(R) Calendars are environmentally friendly! Printed on responsibly sourced paper and 100% recyclable, with sturdy cardboard backers.